Frequencies for first 10,000 rows of othphys variable in nhamcsed2004 dataset :

      other |
  physician |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,130       91.30       91.30
        yes |        870        8.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016